... (500x610mm)Line width & Spacing3mil(0.075mm)Copper thickness1/3oz MinLayer to Layer Registration±5mil(0.13mm)Minimum Drill hole Dia8mil(0 ... for Lead Free Tin Plating Capability-FPC 3 Cover layerPolyimide, Flexible Solder MaskStiffener materialPolyimide, Polyester, FR4, MetalShielding materialCopperfoil, Silver foil, Silver ... as: mobile phone, camera, computer, LCD atc. single-side pet flexible cable